Peel the sweet potatoes and slice into approximately 1 inch thick slices, put in an oven tray and cover with 4 tablespoons olive oil, salt and pepper. Put in the preheated oven at 400°F for 20 minutes.
Mix the quinoa, strawberry, onions, bell peppers, pumpkin seeds, 2 tablespoons of olive oil, lemon juice and salt and pepper to taste.
Serve a quinoa timbale over the sweet potato disks and decorate with small strawberries fans.